%0 Journal Article %A Leon Bernstein %T Units from Periodic Jacobi-Perron Algorithms in Algebraic Number Fields of Degree n ...2. %J Manuscripta mathematica %D 1974 %P 249-262 %V 14 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1974__14_154295/ %F MM2_1974__14_154295